Home / 25,485.03-38,220.86-11,437.20

Finding the Fourth Proportional to 25,485.03, 38,220.86 and 11,437.20

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Solution

The fourth proportional to 25,485.03, 38,220.86 and 11,437.20 is: 17,152.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,485.03 : 38,220.86 = 11,437.20 : x
  2. Step 2: Convert to fraction form
    25,485.03/38,220.86 = 11,437.20/x
  3. Step 3: Cross multiply
    25,485.03x = 38,220.86 × 11,437.20
  4. Step 4: Simplify right side
    25,485.03x = 437,139,648.59
  5. Step 5: Solve for x
    x = 437,139,648.59/25,485.03
  6. Step 6: Final answer
    x = 17,152.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.